<?php


namespace App\service;


class ReviewImages
{
    //判断图片是否合法
    public function verify($con)
    {
        $img = $con;
        $token = $this->getAccessToken();
        $url = 'https://aip.baidubce.com/rest/2.0/solution/v1/img_censor/v2/user_defined?access_token=' . $token;
        $imgs = file_get_contents($img);
        $imgs = base64_encode($imgs);
        $bodys = array(
            'image' => $imgs
        );
        $res = $this->curlPost($url, $bodys);
        //结果转成数组
        $res = json_decode($res, true);
        return $res['conclusion'];

    }

    //判断文本是否合法
    public function text($con)
    {
        $content = $con;
        $token = $this->getAccessToken();

        $url = 'https://aip.baidubce.com/rest/2.0/solution/v1/text_censor/v2/user_defined?access_token=' . $token;
        $bodys = array(
            'text' => $content
        );
        $res = $this->curlPost($url, $bodys);

        //结果转成数组
        $res = json_decode($res, true);
        //根据自己的业务逻辑进行处理
        return $res['conclusion'];

    }
    function curlPost($url = '', $param = '')
    {
        if (empty($url) || empty($param)) {
            return false;
        }

        $postUrl = $url;
        $curlPost = $param;
        // 初始化curl
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $postUrl);
        curl_setopt($curl, CURLOPT_HEADER, 0);
        // 要求结果为字符串且输出到屏幕上
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
        // post提交方式
        curl_setopt($curl, CURLOPT_POST, 1);
        curl_setopt($curl, CURLOPT_POSTFIELDS, $curlPost);
        // 运行curl
        $data = curl_exec($curl);
        curl_close($curl);

        return $data;
    }
    //获取token
    public function getAccessToken()
    {

        $url = 'https://aip.baidubce.com/oauth/2.0/token';
        $post_data['grant_type'] = 'client_credentials';
        $post_data['client_id'] = 'RouIzpYYQz13d9D7MkQzYFn7';
        $post_data['client_secret'] =  'mckwXQnVcFnibZ7kfqQ9YfXmdIvkT6Yh';
        $o = "";
        foreach ($post_data as $k => $v) {
            $o .= "$k=" . urlencode($v) . "&";
        }
        $post_data = substr($o, 0, -1);

        $res = $this->curlPost($url, $post_data);
        //进行把返回结果转成数组
        $res = json_decode($res, true);
        if (isset($res['error'])) {
            exit('API Key或者Secret Key不正确');
        }
        $accessToken = $res['access_token'];
        return $accessToken;
    }
}
